jack and jackie harbaugh have that problem right now. older son john coaches the baltimore ravens while younger son jim coaches the san francisco 49ers and when their parents spoke to the media, it was john who had fun with it. >> our next question comes from john from baltimore. your line is open. >> caller: yeah, question from baltimore, is it true that both of you liked jim better than john? >> i do not. john harbaugh! >> is that john harbaugh? [ laughter ] >> that was me, john. >> hey, mom was ready to come right through this phone. i'm so happy that joanie recognized your voice! >> he pranked his parents during a radio broadcast, during the conference championships the harbaugh parents watch the games alone in their wisconsin home. >>> another prank everyone is talking about is the takeover of the jimmy kimmel show by matt damon. if you don't know the joke matt damon has been invited to be a guest on kimmel's show many times and each time he's been bumped because kimmel ran out of time. damon proved revenge is indeed sweet. >> since